model 11 percentage with ratios Section-Wise Topic Notes With Detailed Explanation And Example Questions

Question : 1

The bus fare and train fare of a place from Kolkata were Rs.20 and Rs.30 respectively. Train fare has been increased by 20% and the bus fare has been increased by 10%. The ratio of new train fare to new bus fare is

a) 5 : 3

b) 3 : 5

c) 18 : 11

d) 11 : 18

Question : 2

The ratio of the number of boys and girls in a school is 3:2. If 20% of the boys and 25% of the girls are scholarship holders, the percentage of the school students who are not scholarship holders is

a) 70

b) 80

c) 78

d) 56

Question : 3

The difference of two numbers is 45% of their sum. The ratio of the larger number to the smaller number is

a) 29 : 11

b) 11 : 29

c) 9 : 20

d) 20 : 9

Question : 4

If 50% of x = 30% y, then x : y is

a) 3 : 2

b) 3 : 5

c) 5 : 3

d) 2 : 3

Question : 5

If A exceeds B by 40%, B is less than C by 20%, then A : C is :

a) 3 : 2

b) 3 : 1

c) 26 : 25

d) 28 : 25

Question : 6

The ratio 5 : 4 expressed as a per cent equals :

a) 40%

b) 12.5%

c) 80%

d) 125%